/*
 * Copyright 2010 Biz-e (info@biz-e.nl)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package nl.biz_e.acl.client.ui;

import nl.biz_e.acl.client.ui.context.ContextForm;
import nl.biz_e.acl.shared.model.Context;
import nl.biz_e.gwtappengine.lib.client.BaseAppEngineAppPanel;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;
import com.googlecode.objectify.Key;

/**
 * Main panel for Context maintenance
 * 
 * @author Joost A. Bloemsma
 * 
 */
public class ContextPanel extends BaseAppEngineAppPanel {
    private static ContextPanelUiBinder uiBinder = GWT
            .create(ContextPanelUiBinder.class);

    private Context ctx;

    @UiField
    ContextForm ctxForm;
    @UiField
    Button btnShow;
    @UiField
    Button btnSet;
    @UiField
    Button btnNull;

    // @UiField
    // ContextGrid table;

    interface ContextPanelUiBinder extends UiBinder<Widget, ContextPanel> {
        /* Intentionally left blank */
    }

    /**
     * Constructs a new ContextPanel instance
     */
    public ContextPanel() {
        super();
        this.add(uiBinder.createAndBindUi(this));
    }

    @UiHandler("btnShow")
    void onClickShow(ClickEvent e) {
        ctx = ctxForm.getContext();
        // Window.alert(ctx.getName());
        PopupPanel pp = new PopupPanel(true, true);
        pp.add(new Label(ctx.getName()));
        pp.setAnimationEnabled(true);
        pp.setGlassEnabled(true);
        pp.center();
    }

    @UiHandler("btnSet")
    void onClickSet(ClickEvent e) {
        if (ctx == null) {
            ctx = new Context();
            ctx.setContextId("TST_CTX");
            ctx.setName("TestContext");
            ctx.setDescription("A test context to test the form");
            ctx.setParentContext(new Key<Context>(Context.class, 2));
        }
        ctxForm.setContext(ctx);

    }

    @UiHandler("btnNull")
    void onClickNull(ClickEvent e) {
        ctxForm.setContext(null);
    }

    @UiHandler("btnClear")
    void onClickClear(ClickEvent e) {
        Window.alert("clear");
        this.ctx = null;
    }
}
